/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: displayManager.h
 * Author : Byungil Jeong
 *
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either Version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Direct questions, comments etc about SAGE to bijeong@evl.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 *****************************************************************************/
 
#ifndef _DISPLAY_MANAGER_H
#define _DISPLAY_MANAGER_H

#include "sage.h"

class fsManager;
class appInExec;
class sageVirtualDesktop;
class streamInfo;
class connectionInfo;

class displayManager {
private:
	fsManager *fsm;
	appInExec *appExec;
	sageVirtualDesktop *vdt;
	
	std::vector<int> receiverList;
	streamGroup streamGrp;

	int winID;
	int tileNum;
	int dispNodeNum;
	int streamNum;
	int sailClient;
	int zValue;
	int rcvFlagCnt;
	int syncMode;
	float rcvFrate, rcvBwidth, rcvLoss, accBwidth, accLoss;

	char winTitle[SAGE_NAME_LEN];
	int borderColor[3];
	int titleColor[3];
		
	bool *rcvFlag;

	void reportPerformance(char *sailPerf);
	int accumulateBandwidth(char *rcvBand);
	void generateStreamInfo(void); 
	void streamInfoToSender(void);	
	int shutdownApp();
	
public:
   displayManager() : fsm(NULL), vdt(NULL) {}
   ~displayManager();
	void init(fsManager *f, sageVirtualDesktop *v, int id);
	int getReceiverNum() { return receiverList.size(); }
	int getReceiver(int i) { return receiverList[i]; }
	int getStreamNum() { return streamNum; }
	int getSailClient() { return sailClient; }
	int parseMsg(sageMessage &msg);
	int getWinID() { return winID; }
	int shutdownReceivers();
	void changeWindow(sageRect &devRect, int steps);
	void modifyStream(void);
	int connectSenders();
	int initStreams();
	int getZValue() { return zValue; }
	int setZValue(int z) { zValue = z; }
	int increaseZ() { zValue++; }
	int sendPerformanceInfo(int rate);
	int stopPerformanceInfo();
	int updateWinProp(char *info);
	int updateBorders(char *title);
	
	friend class fsCore;
};

#endif
